... ,36V 9Ah Li-ion battery 4,N.W.: 24KG electric bike, electric bicycle, mountain bike1,250W/26'' 2,Shimano7 speed3,36V ... ,N.W.: 24KG Motor: 250W High Speed Brushless Gear motor Frame: Al Alloy 6061, 7005Tyres: 26"×1.95", puncture resistant K-shield ... . Overload protection, Low voltage protectionRim: 26*1.5'', Al Alloy twin wall and CNC side walBrakes (front): Disc brakesBrakes (Rear): Disc brakesBattery ...